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Poklicna izpostavljenost nizkim dozam ionizirajočih sevanj : diplomska naloga = Occupational exposure to low level of radiation : graduation thesisPirc-Ćurić, EmilijaStandpoints: Ionising radiation is consisted by fragments or quanta of electromagnetic ripple which leave the atomic nucleus after the process of radioactive disintegration. They are alpha and beta ... fragments and gamma rays. Considering the type of rays which leave the nucleus we know alpha, beta and gamma radiation. Moreover, during nuclear reactions the nucleus can transmit neutrons, protons and fission splits. The most about the biological effects ofthe ionising radiation we learned from researches on survived people exposedto high doses during atomic bombings and accidents e.g. in Chernobyl. What a small dose is wasn't defined by experts, it was only pragmatically agreed. According to ICRP 60 the limited yearly effective dose, to which only occupationally exposed employees can be exposed, was decreased from 50 mSv to 20 mSv per year (since the year 1990). According to the Slovene law, the limitfor occupational exposure is still 50 mSv (the law entered into force in 1986 and since there haven't been any changes or new regulations. In practice the limit is 20 mSv). Biological effects at small doses cannot be directly defined. They can only be estimated with effects' extrapolish at high doses. Characteristically for deterministic effects of the ionising radiation is their threshold yet they begin to appear only from a certain limited dose onwards. The level of damage depends on the dose and is an unavoidable consequence of the exposure to the radiation. Stochastic effects are mutagen, cancerous and are genetic ef`ects, whose probability of commence depends on the dose of the ionising radiation. The threshold of the dose doesn't exist here. Radioactive material is categorised in group I of the list of cancerous material and energies of the International Organisation for the Researches of Cancer (Lyon: IARC 1997). (Abstract truncated at 2000 characters).Type of material - undergraduate thesisPublication and manufacture - Ljubljana : [E.Pirc-Ćurić], 2002Language - slovenianCOBISS.SI-ID - 17443801
Author
Pirc-Ćurić, Emilija
Other authors
Bilban, Marjan |
Omahen, Gregor, 1968-
Topics
Occupational Exposure |
Radiation, Ionizing |
Radiation Effects |
Radiation Dosage |
Dose-Response Relationship, Radiation |
Radiation Protection |
Health Surveys |
Doza-odgovor, odnos, sevanje |
Poklicna izpostavljenost |
Sevane ionizirajoče |
Sevanje, doziranje |
Sevanje, učinki |
Sevanje, zaščita |
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Pirc-Ćurić, Emilija | ![]() |
Bilban, Marjan | 12062 |
Omahen, Gregor, 1968- | 24700 |
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